18#ifndef MAGICKCORE_PIXEL_ACCESSOR_H
19#define MAGICKCORE_PIXEL_ACCESSOR_H
25#if defined(__cplusplus) || defined(c_plusplus)
29#define ClampPixelRed(pixel) ClampToQuantum((pixel)->red)
30#define ClampPixelGreen(pixel) ClampToQuantum((pixel)->green)
31#define ClampPixelBlue(pixel) ClampToQuantum((pixel)->blue)
32#define ClampPixelIndex(indexes) ClampToQuantum(*(indexes))
33#define ClampPixelOpacity(pixel) ClampToQuantum((pixel)->opacity)
34#define GetPixela(pixel) ((pixel)->green)
35#define GetPixelb(pixel) ((pixel)->blue)
36#define GetPixelAlpha(pixel) (QuantumRange-(pixel)->opacity)
37#define GetPixelBlack(indexes) (*(indexes))
38#define GetPixelBlue(pixel) ((pixel)->blue)
39#define GetPixelCb(pixel) ((pixel)->green)
40#define GetPixelCr(pixel) ((pixel)->blue)
41#define GetPixelCyan(pixel) ((pixel)->red)
42#define GetPixelGray(pixel) ((pixel)->red)
43#define GetPixelGreen(pixel) ((pixel)->green)
44#define GetPixelIndex(indexes) (*(indexes))
45#define GetPixelL(pixel) ((pixel)->red)
46#define GetPixelLabel(pixel) ((ssize_t) (pixel)->red)
47#define GetPixelMagenta(pixel) ((pixel)->green)
48#define GetPixelNext(pixel) ((pixel)+1)
49#define GetPixelOpacity(pixel) ((pixel)->opacity)
50#define GetPixelRed(pixel) ((pixel)->red)
51#define GetPixelRGB(pixel,packet) \
53 (packet)->red=GetPixelRed((pixel)); \
54 (packet)->green=GetPixelGreen((pixel)); \
55 (packet)->blue=GetPixelBlue((pixel)); \
57#define GetPixelRGBO(pixel,packet) \
59 (packet)->red=GetPixelRed((pixel)); \
60 (packet)->green=GetPixelGreen((pixel)); \
61 (packet)->blue=GetPixelBlue((pixel)); \
62 (packet)->opacity=GetPixelOpacity((pixel)); \
64#define GetPixelY(pixel) ((pixel)->red)
65#define GetPixelYellow(pixel) ((pixel)->blue)
66#define SetPixela(pixel,value) ((pixel)->green=(Quantum) (value))
67#define SetPixelAlpha(pixel,value) \
68 ((pixel)->opacity=(Quantum) (QuantumRange-(value)))
69#define SetPixelb(pixel,value) ((pixel)->blue=(Quantum) (value))
70#define SetPixelBlack(indexes,value) (*(indexes)=(Quantum) (value))
71#define SetPixelBlue(pixel,value) ((pixel)->blue=(Quantum) (value))
72#define SetPixelCb(pixel,value) ((pixel)->green=(Quantum) (value))
73#define SetPixelCr(pixel,value) ((pixel)->blue=(Quantum) (value))
74#define SetPixelCyan(pixel,value) ((pixel)->red=(Quantum) (value))
75#define SetPixelGray(pixel,value) \
76 ((pixel)->red=(pixel)->green=(pixel)->blue=(Quantum) (value))
77#define SetPixelGreen(pixel,value) ((pixel)->green=(Quantum) (value))
78#define SetPixelIndex(indexes,value) (*(indexes)=(IndexPacket) (value))
79#define SetPixelL(pixel,value) ((pixel)->red=(Quantum) (value))
80#define SetPixelMagenta(pixel,value) ((pixel)->green=(Quantum) (value))
81#define SetPixelOpacity(pixel,value) ((pixel)->opacity=(Quantum) (value))
82#define SetPixelRed(pixel,value) ((pixel)->red=(Quantum) (value))
83#define SetPixelRgb(pixel,packet) \
85 SetPixelRed(pixel,(packet)->red); \
86 SetPixelGreen(pixel,(packet)->green); \
87 SetPixelBlue(pixel,(packet)->blue); \
89#define SetPixelRGBA(pixel,packet) \
91 SetPixelRed(pixel,(packet)->red); \
92 SetPixelGreen(pixel,(packet)->green); \
93 SetPixelBlue(pixel,(packet)->blue); \
94 SetPixelAlpha(pixel,(QuantumRange-(packet)->opacity)); \
96#define SetPixelRGBO(pixel,packet) \
98 SetPixelRed(pixel,(packet)->red); \
99 SetPixelGreen(pixel,(packet)->green); \
100 SetPixelBlue(pixel,(packet)->blue); \
101 SetPixelOpacity(pixel,(packet)->opacity); \
103#define SetPixelYellow(pixel,value) ((pixel)->blue=(Quantum) (value))
104#define SetPixelY(pixel,value) ((pixel)->red=(Quantum) (value))
108 return(x < 0.0f ? -x : x);
117#if !defined(MAGICKCORE_HDRI_SUPPORT)
118 return((
Quantum) (value+0.5f));
132 sign=x < 0.0 ? -1.0 : 1.0;
145 intensity=(
MagickRealType) (0.212656f*pixel->red+0.715158f*pixel->green+
146 0.072186f*pixel->blue);
158 intensity=(
MagickRealType) (0.212656f*pixel->red+0.715158f*pixel->green+
159 0.072186f*pixel->blue);
176#if !defined(MAGICKCORE_HDRI_SUPPORT)
227 0.072186*pixel->
blue);
242#if defined(__cplusplus) || defined(c_plusplus)
#define magick_restrict
Definition MagickCore.h:41
@ sRGBColorspace
Definition colorspace.h:40
MagickDoubleType MagickRealType
Definition magick-type.h:129
#define QuantumRange
Definition magick-type.h:90
unsigned short Quantum
Definition magick-type.h:89
#define MagickEpsilon
Definition magick-type.h:119
MagickSizeType QuantumAny
Definition magick-type.h:161
MagickBooleanType
Definition magick-type.h:203
@ MagickFalse
Definition magick-type.h:204
@ MagickTrue
Definition magick-type.h:205
#define QuantumScale
Definition magick-type.h:124
static void SetPixelViaMagickPixel(const Image *magick_restrict image, const MagickPixelPacket *magick_restrict magick_pixel, PixelPacket *magick_restrict pixel)
Definition pixel-accessor.h:231
static MagickBooleanType IsPixelMonochrome(const PixelPacket *pixel)
Definition pixel-accessor.h:200
static Quantum PixelPacketIntensity(const PixelPacket *pixel)
Definition pixel-accessor.h:219
static Quantum ClampPixel(const MagickRealType value)
Definition pixel-accessor.h:111
static MagickRealType GetPixelLuma(const Image *magick_restrict image, const PixelPacket *magick_restrict pixel)
Definition pixel-accessor.h:138
static MagickBooleanType IsPixelAtDepth(const Quantum pixel, const QuantumAny range)
Definition pixel-accessor.h:168
static double PerceptibleReciprocal(const double x)
Definition pixel-accessor.h:124
static MagickRealType AbsolutePixelValue(const MagickRealType x)
Definition pixel-accessor.h:106
static MagickBooleanType IsPixelGray(const PixelPacket *pixel)
Definition pixel-accessor.h:186
static MagickRealType GetPixelLuminance(const Image *magick_restrict image, const PixelPacket *magick_restrict pixel)
Definition pixel-accessor.h:150
MagickExport MagickRealType DecodePixelGamma(const MagickRealType pixel)
Definition pixel.c:246
static Quantum ClampToQuantum(const MagickRealType quantum)
Definition quantum.h:88
Quantum green
Definition pixel.h:144
Quantum blue
Definition pixel.h:143
Quantum red
Definition pixel.h:145